Home / 74,857,946.92-103,298,201.20-42,266,115.88

Finding the Fourth Proportional to 74,857,946.92, 103,298,201.20 and 42,266,115.88

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Solution

The fourth proportional to 74,857,946.92, 103,298,201.20 and 42,266,115.88 is: 58,323,984.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,857,946.92 : 103,298,201.20 = 42,266,115.88 : x
  2. Step 2: Convert to fraction form
    74,857,946.92/103,298,201.20 = 42,266,115.88/x
  3. Step 3: Cross multiply
    74,857,946.92x = 103,298,201.20 × 42,266,115.88
  4. Step 4: Simplify right side
    74,857,946.92x = 4,366,013,742,114,755.50
  5. Step 5: Solve for x
    x = 4,366,013,742,114,755.50/74,857,946.92
  6. Step 6: Final answer
    x = 58,323,984.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.